ae03e518e3
This is just a skeleton, not a set of drivers, but the pieces are now more or less in the right places.
125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
/* $NetBSD: exynos_ehci.c,v 1.1 2015/12/27 02:54:12 marty Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Reinoud Zandijk.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "locators.h"
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#include "ohci.h"
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#include "ehci.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(1, "$NetBSD: exynos_ehci.c,v 1.1 2015/12/27 02:54:12 marty Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/intr.h>
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#include <sys/bus.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/queue.h>
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#include <sys/kmem.h>
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#include <sys/gpio.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdivar.h>
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#include <dev/usb/usb_mem.h>
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#include <dev/usb/ehcireg.h>
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#include <dev/usb/ehcivar.h>
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#include <arm/samsung/exynos_reg.h>
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#include <arm/samsung/exynos_var.h>
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#include <dev/fdt/fdtvar.h>
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static int exynos_ehci_match(device_t, cfdata_t, void *);
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static void exynos_ehci_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(exynos_ehci, sizeof(struct ehci_softc),
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exynos_ehci_match, exynos_ehci_attach, NULL, NULL);
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static int
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exynos_ehci_match(device_t parent, cfdata_t cf, void *aux)
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{
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const char * const compatible[] = { "samsung,exynos5-ehci",
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NULL };
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struct fdt_attach_args * const faa = aux;
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return of_match_compatible(faa->faa_phandle, compatible);
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}
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static void
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exynos_ehci_attach(device_t parent, device_t self, void *aux)
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{
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struct ehci_softc *sc = device_private(self);
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struct fdt_attach_args * const faa = aux;
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bus_addr_t addr;
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bus_size_t size;
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int error;
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int r;
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if (fdtbus_get_reg(faa->faa_phandle, 0, &addr, &size) != 0) {
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aprint_error(": couldn't get registers\n");
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return;
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}
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sc->sc_dev = self;
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sc->iot = faa->faa_bst;
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sc->sc_size = size;
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sc->sc_bus.dmatag = faa->faa_dmat;
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sc->sc_bus.hci_private = sc;
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sc->sc_bus.usbrev = USBREV_2_0;
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sc->sc_ncomp = 0;
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strlcpy(sc->sc_vendor, "exynos", sizeof(sc->sc_vendor));
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error = bus_space_map(sc->iot, addr, size, 0, &sc->ioh);
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if (error) {
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aprint_error(": couldn't map %#llx: %d",
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(uint64_t)addr, error);
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return;
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}
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aprint_naive(": EHCI USB controller\n");
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aprint_normal(": EHCI NOT IMPLEMENTED\n");
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/* attach */
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r = ehci_init(sc);
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if (r != USBD_NORMAL_COMPLETION) {
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aprint_error_dev(self, "init failed, error = %d\n", r);
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/* disable : TBD */
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return;
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}
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sc->sc_child = config_found(self, &sc->sc_bus, usbctlprint);
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}
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